3031121040 has 80 divisors (see below), whose sum is σ = 9479714688. Its totient is φ = 801138688.

The previous prime is 3031121011. The next prime is 3031121123. The reversal of 3031121040 is 401211303.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28764 + ... + 83003.

Almost surely, 2^3031121040 is an apocalyptic number.

3031121040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3031121040 is an abundant number, since it is smaller than the sum of its proper divisors (6448593648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3031121040 is a wasteful number, since it uses less digits than its factorization.

3031121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111896 (or 111890 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3031121040 is about 55055.6176970162. The cubic root of 3031121040 is about 1447.2195691691.

Adding to 3031121040 its reverse (401211303), we get a palindrome (3432332343).

The spelling of 3031121040 in words is "three billion, thirty-one million, one hundred twenty-one thousand, forty".